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AM-10HD / Aug 2008
A P P E N D I X
Parameters, Units, and Ranges
Approximately following the AM-10HD’s signal path, these are the values and ranges
appropriate to each type of processing.
System Level
Headroom:
20dB
Nominal Operating Level:
-20dBFS digital
Analog Line Input
Type:
Electronic
Differential
Input Impedance:
> 10Kohm (bridging)
Optimum Source Impedance:
< 1Kohm
Digital Line Input
Data
Standard:
AES3
(AES/EBU)
Data
Amplitude:
Per
AES3-2003
assuming
minimum
allowable
output signal amplitude of 2V and minimum
allowable input signal amplitude of 200mV
Input Gain Adjustment Ranges
Gain
Adjustment: +12dB/-36dB
Gain
Adjustment
Increments:
0.5dB
Gain Calibration:
A gain control setting of 0.0 aligns an external
0dBFS signal with the AM-10HD’s 0dBFS
internal reference
Input Failsafe
Type:
Automatic
Analog Fail Cause:
Audio level below -48dBFS.
Response
Time:
30
seconds
Digital Fail Cause 1:
Audio level below -48dBFS
Response
Time:
30
seconds
Digital Fail Cause 2:
Corrupted or invalid AES data
Response
Time:
Immediate
Audio Level Balance
Type:
Common
to
Analog
and
Digital
inputs
Analog/Digital L/R Balance Range:
+/-12dB
Analog/Digital L/R Balance Increments: 0.5dB
